NullCheckInstruction.cs

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namespace System.Linq.Expressions.Interpreter;
 
internal sealed class NullCheckInstruction : Instruction
{
    public static readonly Instruction Instance = new NullCheckInstruction();
 
    public override int ConsumedStack => 1;
 
    public override int ProducedStack => 1;
 
    public override string InstructionName => "Unbox";
 
    private NullCheckInstruction()
    {
    }
 
    public override int Run(InterpretedFrame frame)
    {
        Instruction.NullCheck(frame.Peek());
        return 1;
    }
}